AS27349 — DNI-4305

AS27349 announces 2 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

DNI-4305 is the autonomous system for Definitive Networks, Inc.

What it's used for

• The address space is registered under the netname DNI for the primary block and TWTC-NETBLK-17 for the secondary block, indicating a mix of owned and potentially leased or legacy infrastructure.
• The AS announces 1280 IPv4 addresses across 2 prefixes with only 2 observed neighbours, a ratio that suggests a small-scale business or internal corporate network rather than a large transit or access provider.

Notable

• Registrants include Definitive Networks, Inc. for the 162.208.64.0/22 block and Level 3 Parent, LLC for the 174.47.233.0/24 block, showing a split in ownership or historical acquisition.
• Definitive Networks, Inc. is a Pleasanton-based professional IT consulting firm specializing in network design, security, and support for Public Safety agencies.
• The inventory consists of two distinct IPv4 prefixes with no announced IPv6 space, reflecting a modest and segmented address estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 162.208.64.0/22
• 174.47.233.0/24

Upstream networks

• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS27224 Equinix, Inc.

Adjacent networks

• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS27224 Equinix, Inc.

Routing security

• RPKI: 0 valid, 0 invalid and 5 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 7 route objects.
• Listed in as-sets: AS-EC-LA, AS-EC-SV, AS-NEXTWEB-16467, AS-PNAPLAX, AS-PNAPSJE.